To be precise, individual scores which have never been made in the different formats of Tests, ODIs and T20Is. Data is correct as on 3rd April 2017.

In all these cases * indicates “not out”. I feel that it is better to distinguish between the out and “not out” cases for each score. While some of the “not out” scores may have been scored in the course of an innings, they have never appeared in the final scorecards.